CWE-347 Improper Verification of Cryptographic Signature

base

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

01

parent weaknesses

Broader classes this is a kind of.

02

vulnerabilities (991)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-109838USmedium—
IBM Db2 Genius Hub 1.0 could allow a local attacker to obtain sensitive information due to improper verification of cryptographic signature.
CVE-2026-102946US——
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards. Prior to 1.7.4, joserfc.jws.deserialize_json() accepts a…
CVE-2026-110765USmedium—
FlexPrice through 2.1.38 contains an authentication bypass vulnerability in HandleQuickBooksWebhook that skips signature verification when the intuit-signature header is omitted. U…
CVE-2026-95633UShigh—
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage…
CVE-2026-95632UShigh—
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage…
CVE-2026-103297UShigh—
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage…
CVE-2026-103296UShigh—
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage…
CVE-2026-102502USmedium—
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage…
CVE-2026-97799UShigh—
Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-96957UShigh—
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-96252UScritical—
Improper verification of cryptographic signature in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-87696UShigh—
Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-85818UScritical—
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-83798USmedium—
Improper verification of cryptographic signature in Windows Update Stack allows an authorized attacker to perform spoofing locally.
CVE-2026-70071USmedium—
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
CVE-2026-69650UShigh—
Improper verification of cryptographic signature in Windows Key Distribution Center allows an authorized attacker to elevate privileges locally.
CVE-2026-102866UShigh—
Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-65197US——
H3C HDM Family-A verifies the RSA signature of a firmware image against a public key it reads from the mutable file `/conf/public.pem`. That file is writable by an authenticated Re…
CVE-2026-108971UScritical—
A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing…
CVE-2026-85962US——
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain an improper authentication vulnerability in SAML processing. In deployments that use S…
03

attack patterns (2)

CAPEC attack patterns that exploit this.

04

source

Where this definition is published.

scry

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